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EN 1.7216 Steel vs. EN 1.4590 Stainless Steel

Both EN 1.7216 steel and EN 1.4590 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is EN 1.4590 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 23
26
Fatigue Strength, MPa 290 to 440
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 410 to 560
310
Tensile Strength: Ultimate (UTS), MPa 650 to 930
480
Tensile Strength: Yield (Proof), MPa 400 to 690
270

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
860
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 20
37
Embodied Water, L/kg 50
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 33
17
Strength to Weight: Bending, points 21 to 27
18
Thermal Diffusivity, mm2/s 12
7.0
Thermal Shock Resistance, points 19 to 27
17

Alloy Composition

Carbon (C), % 0.27 to 0.34
0 to 0.030
Chromium (Cr), % 0.8 to 1.2
16 to 17.5
Iron (Fe), % 97.2 to 98.4
79.7 to 83.7
Manganese (Mn), % 0.35 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
0
Niobium (Nb), % 0
0.35 to 0.55
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Zirconium (Zr), % 0
0 to 0.15